2. Sift the flour, baking powder and salt into a bowl, and set aside. In a mixer beat the butter and sugar until light and fluffy.3. Beat in the eggs one at a time follow by vanilla. Then slowly beat in flour in 3 addition alternately with milk.4. Lastly fold in the blueberries. Pour batter into prepared pan. Bake until tester inserted near center of cake comes out clean about 1 hour or until golden brown.5. Cool cake in pan on rack 10 minutes. Turn cake out onto cooling rack and cool completely before cutting into it.

1. Preheat oven to 175 degrees C. Grease cake pans.2. In medium bowl, pour boiling water over cocoa, and whisk until smooth. Let mixture cool.3. Sift together flour, baking soda, baking powder and salt; set aside.4. In a large bowl, cream butter and sugar together until light and fluffy.5. Beat in eggs one at time, then stir in vanilla.6. Add the flour mixture alternately with the cocoa mixture.7. Pour batter into the greased baking pan.8. Bake in for 25 to 30 minutes. Allow to cool.